<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- <link rel="shortcut icon" href="./images/favicon.ico" type="image/x-icon"> -->
    <!-- /favicon.ico -->
    <script src="./js/JavaScript.js"></script>
    <link rel="stylesheet" href="./css/reset.css" type="text/css">
    <link rel="stylesheet" href="./css/style.css" type="text/css">
    <style>
        #head {
            width: 100%;
            height: 200px;
            background-color: yellowgreen;
        }

        #head:target {
            background-color: aqua;
        }

        .nav {
            width: 100%;
            height: 500px;
            background-color: yellow;
        }

        .content {
            width: 100%;
            height: 500px;
            background-color: black;
        }

        .banner {
            width: 100%;
            height: 500px;
            background-color: red;
        }

        .footer {
            width: 100%;
            height: 500px;
            background-color: blue;
        }

        a {
            background-color: blueviolet;
            border-radius: 5px;
            width: 200px;
            height: 100px;
            color: aliceblue;
            display: block;
            line-height: 100px;
            text-align: center;
            font-size: 50px;
        }
    </style>
</head>

<body>
    <div class="box">
        <div id="head">

        </div>
        <div class="nav">

        </div>
        <div class="banner">

        </div>
        <div class="content">

        </div>
        <div class="footer">

        </div>
        <a href="#head">回到顶部</a>
    </div>
</body>
<script>

</script>

</html>